I need assistance with an installation of a dog door/flap. This is a wooden door which will need to be cut. The individual will have to provide their own tools to carry out the work, we will provide the dog door/flap

I need assistance with an installation of a dog door/flap. This is a wooden door which will need to be cut. The individual will have to provide their own tools to carry out the work, we will provide the dog door/flap